Spring-tire.



v. DEISENHOFER.

SPRING APPLICATION FILE TIRE.

0 DEC. H. 1917.

V.'DEISE NHOFER.

- SPRING TIRE.

APPLICATION FILED DEC. 17, 19!] 1,290 13, Patented Jan. "1,1919.

2 SHEETS-SHEET 2- E I I g VICTOBDEISENHOFER, or CHICAGO, ILL Nois. I

SPRING-TTRE;

ie e s- ToaZZ whomit may concemt Be it knownt-hat I, ,Vro'ron Dnisnnnornn, a subject of the Emperor of Austria-Hun gary, and a resident of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improveresiliency in its use. One of the advantages in the use of a spring tire such as disclosed by me is that of theareduction of weight and the elimination of metallic partsat points adjacent to. orlin contact with .the. rubber tread. Due tothe requirementsfor constant fiexure or resiliency, any metallic portions will develop considerable heat and this tends to. vulcanizeithe rubber and cause, deterioration thereof. In my construction there are,

nometallic portions; in direct contact with the rubber tread. The springs. are centered by means of metallic members which are permanently secured toa fabricband underlying the tread. 1i;

In my construction I .providea flexible tread and mount the same on a flexible annular member which bears on the springs. through the medium of suitable attaching clips. By reason of this construction the tread may be flexed or distorted at separated points, as when engaging an obstruction, without imparting any motion to the remainder of the tire.

The construction will be more readily understood by reference to the accompanying drawings, in which:

Figure 1 is a fragmentary side elevation of a wheel, equipped in accordance with my invention, a portion thereof being shown in section;

Fig. 2 is a sectional view on the line 22 of Fig. 1;

Fig. 3 is a fragmentary sectional view showing the means of connection between the springs and tread at the outer ends of the springs;

Fig. 4c is a slight modification of the construction shown in Fig. 3;

Specificationof Letters Patent.

invention relates to wheels for ve Patented Jan. 7, 1919.

Application filed December '17, 191?. serum no. 207,401.

Fig. is ayiew similar to Fig. 1, showmg a slight modification, and, Fig. 6 1s a sectional view. on

the line 6 of Fig. 5.

In the drawings,the Wheel is in dicated at 10, and its felly at 11. ,The spr ng tire is intended to be manufactured and assembled as a unit and to be applied to the wheel by fitting the same over the felly. The inner periphery of the tire unit is constituted by an annular band 12, which fits snugly on the felly-band 13, and is held by suitable radial bolts 14. n The band 12, is provided with spaced thimbles or hollow lugs 15, whichmay be struck up from the band and serve as centering devices forthe springs 16. The springs at their outer ends are held against lateral movement by engagement with U-shaped clips 17, which (as best shown in Figs. 2 and 3) areriveted to right angularly and oppositely disposed U- shaped members 18, the sides 19, of which engage the sides of the tread 20, and prevent the same from lateral movement.

n endless annular band 21, of heavy,

tough fabric, such as belting, is located at.

the base of the tread and is secured to the cl1ps1'(,18, bymeans of the rivets 22. Suitbl m enssuch s r sfo b l nd t t 2 1, may. b mp d f r p -.1

venting rotation of the tread on portingflexible band. U 1 1 a It will be noted that each spring may be operated substantially independently of the others. Furthermore, that the tire described may be manufactured as a. unit and applied to any felly of the required dimensions, no change being necessary in the wheel or felly: band as now commonly manufactured.

In the construction shown in Fig. 1, the upper holding clip is slightly modified by the elimination of one part. In this construction the spring-centering sleeve 24, is struck out from the U-shaped member 25, and the fabric band 26, is directly riveted thereto, as shown.

The construction shown in Figs. 5 and 6 is intended particularly for use on the driving wheels of vehicles and is not materially different from that heretofore described. The wheel 27, felly 28, and felly-band 29, are the same as shown in Fig. 1. Likewise the inner annular band 30, having the its supspring-centering sleeves 31, is the same. The springs 32, at thelr outer ends are held by means of separate centering devices consisting of the thimbles 33, having the flanges 3a,

Which are riveted to the fabric band 35. This band is secured permanently to the tread 36, by interlacing the Wires 37, there? with and by molding the Wires in the tread. This results in vulcanizing the band to the tread and provides a more sightly construction as the metallic tread-holding clips shown in Fig. 1, are eliminated. However, in this construction as in that heretofore described, the springs are adapted to actindependently and the tread may be flexed at separated points Without requiring movement of the entire tread and the compression of a plurality of springs in order to take up a shock Which is concentrated at one point.

The outer annular bands 21 and 35, are

preferably composed of heavy Woven fabric so treated as to be unaffected by Water. The band may, however, be formed of leather orsimilar material. The reference in the claims to a band composed of fibrous material is considered as covering these and simi lar forms ofmaterial. One of the advantages in the use of a non-metallic member is the absence of heat at that point. This is an objectionable feature Wherea metallic band is employed, the incessant fiexure While in service developing considerable heat and finally resulting in crystallization.

Undoubtedly other modifications will suggest themselves to those skilled in the art and I do not Wish to be limited except as indicated in the appended claims.

I claim:

1. In a spring tire, the combination of a continuous, inner metallic band adapted to fit over and be secured to the telly band of a Wheel, integral bosses on said inner band, a single, continuous outer fibrous band having spring holding devices thereon, a rubber tread firmly secured to said outer band, and springs for spacing apart said bands, substantially as described.

2.- In a spring tire, the combination of a continuous, inner metallic band adapted to fit over andbe secured to the telly band of a Wheel, said band being formed With spaced integral hollow bosses, an outer fibrous band having spring centering devices thereon, a rubber tread secured to said outer band, and springs held between said bands, substantially as described.

' In a spring tire, the combination of a continuous inner metallic band having integral, spring-centering bosses thereon, a continuous outer fibrous band having springcentering devices riveted thereto, a rubber tread vulcanized'to said outer band, and springs for spacing apart saidinner and outer bands, said tire being adapted to be readily removed from the Wheel as a unit, substantially is described.

4. In a spring tire, the combination of a continuous inner metallic band having integral, spring-centering bosses thereon, a singlecontinuous outer fibrous band having spring-centering devices riveted thereto, a rubber tread vulcanized and mechanically united to said outer band, and springs for spacing apart said inner and outer bands, said tire being adapted to be readily removed from the Wheel as a unit, substantially as described.

Signed at Chicago, Ill., this 14th day of December, 1917,

.V-IOTOR DEISENHOFER.

lVitness:

T. D. BUTLER.

- Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D; 0-. 

